It's amazing how many shows seem to be exiting the broadcast networks' schedules before anyone much noticed they'd entered. Tonight, we say goodbye to The Superstars (8 ET/PT), ABC's attempt to revive, revamp and vamp up the old trash sports favorite. This time around, not so favorite.

Things are picking up at Harper's Island (CBS, Saturday, 9 ET/PT), which follows its most gruesome murder so far (Daddy being de-faced at the wedding rehearsal) with its most sickly amusing. No, it's not a very good show, but it is entertaining in a grade-C thriller kind of way. Anyway, it's summer and it's Saturday; how demanding can you be?

CBS is adding a comedy starring Jenna Elfman, a NCIS spinoff and new medical and legal dramas to its mostly stable lineup. But it will move this season's top new show, The Mentalist, to Thursdays at 10 ET/PT.

Fourth-place NBC, handing off five hours of prime time to Jay Leno this fall, unveiled an ambitious slate of six new scripted series to advertisers Monday in a bid to turn around the network's declining fourth-place performance.

Births, deaths, marriages, guests and season and series farewells; here come the May sweeps, and with them, the end of the broadcast network season. USA TODAY takes a look at the best the month has to offer.

An unusually high number of spring TV premieres has left plot threads hanging. The crowded slate of latecomers makes it tricky for the networks to decide which will stay and which will go when the plans for next season are announced in mid-May.